Home / 68,733.25-94,855.79-38,528.30

Finding the Fourth Proportional to 68,733.25, 94,855.79 and 38,528.30

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Solution

The fourth proportional to 68,733.25, 94,855.79 and 38,528.30 is: 53,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,733.25 : 94,855.79 = 38,528.30 : x
  2. Step 2: Convert to fraction form
    68,733.25/94,855.79 = 38,528.30/x
  3. Step 3: Cross multiply
    68,733.25x = 94,855.79 × 38,528.30
  4. Step 4: Simplify right side
    68,733.25x = 3,654,632,378.35
  5. Step 5: Solve for x
    x = 3,654,632,378.35/68,733.25
  6. Step 6: Final answer
    x = 53,171.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.